Mold



C. H. NELSN MOL D Nov. 24l 1925. 1,562,465

Filled Fab. 2Q, 1925 2 Sheets-Sheet l ,gn/manto@ Cmy fa/li.: Naim? C. H. NELSON Novn 24I 1925 MOLD Filed Feb. 2 1925 2 Sheets-Sheet 2 gmc/1to1 C013/ fio/li; Webm.

f l 'I CARY HOLLS NELS is i le.

y F DENVER, COLORADO.

IiIOLD.

Application filed February 24, i925.

To all whom t may comici/in.'

he it known that l, Caer Homie Nansen, citizen of the United States, residing` at Denver, in the city and county oil Denver and CState oi" Colorado, have invented eert-.iin nenv and useful Improvements in lrlolds; and l do declare the tollowing'to be e Alnllj clear7 and exact description of the inrei'ition, such as Will enable others skilled in the art to which it appertains to main. and use the same, reference being had to the accom* panying drawings, and to the ch'i 'acters ot reference marked thereon.. which forni a part of this specification.

This invention relates to improvements in the design and construction oit molds it'or construeting:` walls for concrete or isuin.

its our country increases in popiL iat-ion and our supply ot timber decreases9 it becomes more and more evident that resort. must be had to cement and gypsum as the material lor building construction. l ani1 of course7 aware that both cement and gypsum have been employed in the construction olf buildings and that Various types ol" forms or molds have been employed this purpose. all oit which, however, are i'liieult to assemble and slow in operation.

lt is the object olf this inii'ention to produce a mold that can be conveniently placed in position and readily moved and which is also adapted to be moved upwardly continuously at a slow rate, which mal-:es it yvery well adapted iter use with gypsum which sets quicker than cement.

lt .is a further object oll this invention to produee molds (hal are ailapled to be arriniged in series or at an angle lo each other so that they may be used 'tor building all the outside and partition walls practically simultaneously.

The above and other objects that will become appa-rent as the description proceeds are attained by means ot a construction that l will new describe in detail, reiterence it'or this purpose being had to the accompanying drawingl in which one embi'idiment oit my invention is shown and in which Fig. 1 is a perspective View showing` a section of wall with my mold in place thereon.

Fig. 2 is a detail showing the manner in which the bars forming the apron are hinged.

Fig. 3 is a section taken on line 3 3 Fig. 2.

Fig. l is a vertical transverse section taken on line a-l, Fig. 5.

sei-mi in). 11,135.

Fig. 5 is a section taken on line 5-5, Fig. fl, and

Fig. 6 is a 'View looking,l down onto a corner ol a buildingl and shows a part oli' two toi-ins in place.

Numeral l in Fig. 1 indicates a concrete Wall to "which my improved form is applietY llhe i'orni comprises two yolies, each consisting` oi two la-shaped members and l, which are secured together by means ot bolts al. 'ihe member .l has spaced flanges 5 between which the end 6 oi member 3 lits. lly changing the position of the bolts el; the distance between the vertical portions of niembers 2 and l may be adjusted. Rollers 'i' and tl are rotatably mounted at i) and l0 rcspectively. jin endless apron 11 is applied to the rollers 'T and S in the manner analogous to a belt. 'lhese aprons are YFormed by a iniinber or tlat bars l2 suchj tor example, as two by tour scantlings. rlhese bars are coin nected by hinges, in the manner shown in F 2 and rlfhese hinges have been shown as `formed vfrom links 13 whose ends are joined by pins ifi? so as to iorin an endless chain.` 'lhe bars 13 are secured to the links by means oi screws 15. The bars 12 when applied to the rollers7 iorm Wh at might be termed caterpillar treads. These treads are parallel and their adjacent surfaces form the sides of the mold .in the manner clearly apparent 'from Fig. 1. lt is evident that when concrete or gypsum in l'owing condition put into place between the sides ot the :forni that a considerable pressure is exerted on the sides which will cause them to bend unless means is provided that will prevent then'i troni so doing. l have thereloro, joined the vertiial parallel sides ol members 2 and El by several parallel bars lll whose ends are secured to the inside olf the bars by brackets 17, or other equivalent means. Vertical bars 18 are supported on the horizontal bars 17. The-se Vertical bars forni rigid supports that prevent the sides ot the mold from bending.

In Fig. G I have shown a corner oll a building and have indicated how my inold is applied. A large angle 19 tornis the outside and a smaller but similar angle 20,'the inside. These two angles form the sides ot the mold 'for the corner, and may be held in assembled relation by means ott bolts 2l. Secured to the inner surfaces ot the ilanges QQ and 23 o'lthe angle iron 2O are Z-bars 24e that lorin guides :tor the vert-ical sides oi lli ein

`t`erent-means :tor hoisting-the tor1ns,'l have not attempted to illustrate any one orm but have merely shown chains 24 4that may be attached to any suitable hoisting meel anism. l have shown only a single section ot my form and indicated how it may be employed to build a square corne-r as the details concerning the actual manner ot' using the foi-1n has nothingtodo with the invention which is considered to bein the con- `struction of the tormitselt'. It is, however,

possible to `arrange my terms so that the wallsand partitions of an entire house may 'be built at one time. `YYalls ot any length and otanythickness may also be built by using several sections in series or by changing,l the adjustment between the members and 3.

From the above it -will be apparent that I have produced `a ,torni of novel construction that can be readily movedfas the condition ot' the work requires.

Having described my invtmtion, what l claiinas new is:

3l. A mold forbuilding-walls roni'pl-astic material, comprising, in combination, two U=shaped ktrames having; corresponding sides connected by two parallel spacedrollers, an

endless flexible belt enclosing each pair ot said rollers, the -adjacent sides of said belt beingv spaced to iorm the sides ot' the mold.

2. A mold for use in building walls from plastic material, comprising, in combination, vtwo U-shaped iframe members located in spaced parallel planes, each side ol said members being,` connected to the corresponding,` side ot the other member by shafts carrying, rollers, an endless belt enclosing the rollers connected toeach pair of sides, said belts having` their adjacent surfaces parallel and spaced apart.

3. A mold `for use in building walls trom plastic material, comprising, in combination, two U-shaped traine members located in spaced parallel planes,means ioradjusting the distance between the sides of said trames, rollers connect-ing corresponding sides of the trames, and an endless belt being formed from straight bars hingedly connected soas to be bendable in one direction but no` the other direction.

Se. A mold for usein building walls trom plastic material, comprising, in combination, two U-sl1aped frame members located in spaced parallel planes, `means for adjusting the distance between thesides of said trames, a pairaot rollers connecting` corresponding sides ot the trames, an endless belt enclosing; each pair of rollers and rigid members secured Ito the said trames between the sides ofthe belt, saidrigidlmembers servingas a backing tor preventing' the belts :from bending.

In testimony whereof Il aflixtmy signature CARY HOLLIS NELSN. 

